Datasheet

ADF4154 Data Sheet
Rev. C | Page 8 of 24
R
SET
VALUE (kΩ)
–80
–85
–110
0 3530252015105
PHASE NOISE (dBc/Hz)
–90
–95
–105
–100
04833-013
Figure 11. Phase Noise vs. R
SET
TEMPERATURE (°C)
–90
–94
–104
–60 100–40
PHASE NOISE (dBc/Hz)
–20 0 20 40 60
–96
–98
–92
–102
–100
80
04833-014
Figure 12. Phase Noise vs. Temperature
04833-028
TIME (µs)
1100 10 20 30 40 50 60 70 80 90 100
FREQUENCY (GHz)
1.700
1.696
1.692
1.688
1.684
1.680
1.676
1.672
1.668
1.664
1.660
1.656
1.652
1.648
1.644
1.640
LOCK TIME IN FAST-LOCK MODE
(FAST COUNTER = 150)
LOCK TIME IN NORMAL MODE
LOW SPUR MODE:
1649.7MHz TO 1686.8MHz
FINAL LOOP BANDWIDTH = 60kHz
Figure 13. Frequency vs. Lock Time